mirror of git://git.musl-libc.org/musl
439 lines
13 KiB
C
439 lines
13 KiB
C
#ifndef _SYSCALL_H
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#define _SYSCALL_H
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#define SYSCALL_LL(x) x, 0
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#define SYSCALL_SIGSET_SIZE 8
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#if defined(SYSCALL_STANDALONE)
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#include <errno.h>
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static inline long __syscall_ret(unsigned long r)
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{
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if (r >= (unsigned long)-1 - 4096) {
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errno = -(long)r;
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return -1;
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}
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return (long)r;
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}
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#elif defined(SYSCALL_NORETURN)
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static inline long __syscall_ret(unsigned long r)
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{
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for(;;);
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return 0;
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}
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#elif defined(SYSCALL_RETURN_ERRNO)
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static inline long __syscall_ret(unsigned long r)
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{
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return -r;
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}
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#else
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extern long __syscall_ret(unsigned long);
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#endif
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// 64: di, si, dx, r10, r8, r9
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// 32: ebx, ecx, edx, esi, edi, ebp
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#define SYSCALL "syscall"
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static inline long syscall0(long n)
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{
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unsigned long ret;
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__asm__ __volatile__ (SYSCALL : "=a"(ret) : "a"(n) : "rcx", "r11", "memory");
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return __syscall_ret(ret);
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}
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static inline long syscall1(long n, long a1)
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{
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unsigned long ret;
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__asm__ __volatile__ (SYSCALL : "=a"(ret) : "a"(n), "D"(a1) : "rcx", "r11", "memory");
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return __syscall_ret(ret);
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}
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static inline long syscall2(long n, long a1, long a2)
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{
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unsigned long ret;
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__asm__ __volatile__ (SYSCALL : "=a"(ret) : "a"(n), "D"(a1), "S"(a2)
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: "rcx", "r11", "memory");
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return __syscall_ret(ret);
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}
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static inline long syscall3(long n, long a1, long a2, long a3)
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{
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unsigned long ret;
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__asm__ __volatile__ (SYSCALL : "=a"(ret) : "a"(n), "D"(a1), "S"(a2),
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"d"(a3) : "rcx", "r11", "memory");
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return __syscall_ret(ret);
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}
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static inline long syscall4(long n, long a1, long a2, long a3, long a4)
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{
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unsigned long ret;
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register long r10 __asm__("r10") = a4;
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__asm__ __volatile__ (SYSCALL : "=a"(ret) : "a"(n), "D"(a1), "S"(a2),
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"d"(a3), "r"(r10): "rcx", "r11", "memory");
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return __syscall_ret(ret);
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}
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static inline long syscall5(long n, long a1, long a2, long a3, long a4,
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long a5)
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{
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unsigned long ret;
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register long r10 __asm__("r10") = a4;
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register long r8 __asm__("r8") = a5;
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__asm__ __volatile__ (SYSCALL : "=a"(ret) : "a"(n), "D"(a1), "S"(a2),
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"d"(a3), "r"(r10), "r"(r8) : "rcx", "r11", "memory");
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return __syscall_ret(ret);
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}
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static inline long syscall6(long n, long a1, long a2, long a3, long a4,
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long a5, long a6)
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{
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unsigned long ret;
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register long r10 __asm__("r10") = a4;
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register long r8 __asm__("r8") = a5;
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register long r9 __asm__("r9") = a6;
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__asm__ __volatile__ (SYSCALL : "=a"(ret) : "a"(n), "D"(a1), "S"(a2),
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"d"(a3), "r"(r10), "r"(r8), "r"(r9) : "rcx", "r11", "memory");
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return __syscall_ret(ret);
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}
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#define __NR_read 0
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#define __NR_write 1
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#define __NR_open 2
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#define __NR_close 3
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#define __NR_stat 4
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#define __NR_fstat 5
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#define __NR_lstat 6
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#define __NR_poll 7
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#define __NR_lseek 8
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#define __NR_mmap 9
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#define __NR_mprotect 10
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#define __NR_munmap 11
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#define __NR_brk 12
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#define __NR_rt_sigaction 13
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#define __NR_rt_sigprocmask 14
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#define __NR_rt_sigreturn 15
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#define __NR_ioctl 16
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#define __NR_pread64 17
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#define __NR_pwrite64 18
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#define __NR_readv 19
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#define __NR_writev 20
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#define __NR_access 21
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#define __NR_pipe 22
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#define __NR_select 23
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#define __NR_sched_yield 24
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#define __NR_mremap 25
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#define __NR_msync 26
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#define __NR_mincore 27
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#define __NR_madvise 28
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#define __NR_shmget 29
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#define __NR_shmat 30
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#define __NR_shmctl 31
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#define __NR_dup 32
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#define __NR_dup2 33
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#define __NR_pause 34
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#define __NR_nanosleep 35
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#define __NR_getitimer 36
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#define __NR_alarm 37
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#define __NR_setitimer 38
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#define __NR_getpid 39
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#define __NR_sendfile 40
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#define __NR_socket 41
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#define __NR_connect 42
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#define __NR_accept 43
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#define __NR_sendto 44
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#define __NR_recvfrom 45
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#define __NR_sendmsg 46
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#define __NR_recvmsg 47
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#define __NR_shutdown 48
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#define __NR_bind 49
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#define __NR_listen 50
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#define __NR_getsockname 51
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#define __NR_getpeername 52
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#define __NR_socketpair 53
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#define __NR_setsockopt 54
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#define __NR_getsockopt 55
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#define __NR_clone 56
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#define __NR_fork 57
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#define __NR_vfork 58
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#define __NR_execve 59
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#define __NR_exit 60
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#define __NR_wait4 61
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#define __NR_kill 62
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#define __NR_uname 63
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#define __NR_semget 64
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#define __NR_semop 65
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#define __NR_semctl 66
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#define __NR_shmdt 67
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#define __NR_msgget 68
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#define __NR_msgsnd 69
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#define __NR_msgrcv 70
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#define __NR_msgctl 71
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#define __NR_fcntl 72
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#define __NR_flock 73
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#define __NR_fsync 74
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#define __NR_fdatasync 75
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#define __NR_truncate 76
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#define __NR_ftruncate 77
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#define __NR_getdents 78
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#define __NR_getcwd 79
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#define __NR_chdir 80
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#define __NR_fchdir 81
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#define __NR_rename 82
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#define __NR_mkdir 83
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#define __NR_rmdir 84
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#define __NR_creat 85
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#define __NR_link 86
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#define __NR_unlink 87
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#define __NR_symlink 88
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#define __NR_readlink 89
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#define __NR_chmod 90
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#define __NR_fchmod 91
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#define __NR_chown 92
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#define __NR_fchown 93
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#define __NR_lchown 94
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#define __NR_umask 95
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#define __NR_gettimeofday 96
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#define __NR_getrlimit 97
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#define __NR_getrusage 98
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#define __NR_sysinfo 99
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#define __NR_times 100
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#define __NR_ptrace 101
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#define __NR_getuid 102
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#define __NR_syslog 103
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#define __NR_getgid 104
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#define __NR_setuid 105
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#define __NR_setgid 106
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#define __NR_geteuid 107
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#define __NR_getegid 108
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#define __NR_setpgid 109
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#define __NR_getppid 110
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#define __NR_getpgrp 111
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#define __NR_setsid 112
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#define __NR_setreuid 113
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#define __NR_setregid 114
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#define __NR_getgroups 115
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#define __NR_setgroups 116
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#define __NR_setresuid 117
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#define __NR_getresuid 118
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#define __NR_setresgid 119
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#define __NR_getresgid 120
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#define __NR_getpgid 121
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#define __NR_setfsuid 122
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#define __NR_setfsgid 123
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#define __NR_getsid 124
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#define __NR_capget 125
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#define __NR_capset 126
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#define __NR_rt_sigpending 127
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#define __NR_rt_sigtimedwait 128
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#define __NR_rt_sigqueueinfo 129
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#define __NR_rt_sigsuspend 130
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#define __NR_sigaltstack 131
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#define __NR_utime 132
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#define __NR_mknod 133
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#define __NR_uselib 134
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#define __NR_personality 135
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#define __NR_ustat 136
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#define __NR_statfs 137
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#define __NR_fstatfs 138
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#define __NR_sysfs 139
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#define __NR_getpriority 140
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#define __NR_setpriority 141
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#define __NR_sched_setparam 142
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#define __NR_sched_getparam 143
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#define __NR_sched_setscheduler 144
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#define __NR_sched_getscheduler 145
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#define __NR_sched_get_priority_max 146
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#define __NR_sched_get_priority_min 147
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#define __NR_sched_rr_get_interval 148
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#define __NR_mlock 149
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#define __NR_munlock 150
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#define __NR_mlockall 151
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#define __NR_munlockall 152
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#define __NR_vhangup 153
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#define __NR_modify_ldt 154
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#define __NR_pivot_root 155
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#define __NR__sysctl 156
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#define __NR_prctl 157
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#define __NR_arch_prctl 158
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#define __NR_adjtimex 159
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#define __NR_setrlimit 160
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#define __NR_chroot 161
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#define __NR_sync 162
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#define __NR_acct 163
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#define __NR_settimeofday 164
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#define __NR_mount 165
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#define __NR_umount2 166
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#define __NR_swapon 167
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#define __NR_swapoff 168
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#define __NR_reboot 169
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#define __NR_sethostname 170
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#define __NR_setdomainname 171
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#define __NR_iopl 172
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#define __NR_ioperm 173
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#define __NR_create_module 174
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#define __NR_init_module 175
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#define __NR_delete_module 176
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#define __NR_get_kernel_syms 177
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#define __NR_query_module 178
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#define __NR_quotactl 179
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#define __NR_nfsservctl 180
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#define __NR_getpmsg 181
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#define __NR_putpmsg 182
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#define __NR_afs_syscall 183
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#define __NR_tuxcall 184
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#define __NR_security 185
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#define __NR_gettid 186
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#define __NR_readahead 187
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#define __NR_setxattr 188
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#define __NR_lsetxattr 189
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#define __NR_fsetxattr 190
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#define __NR_getxattr 191
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#define __NR_lgetxattr 192
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#define __NR_fgetxattr 193
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#define __NR_listxattr 194
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#define __NR_llistxattr 195
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#define __NR_flistxattr 196
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#define __NR_removexattr 197
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#define __NR_lremovexattr 198
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#define __NR_fremovexattr 199
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#define __NR_tkill 200
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#define __NR_time 201
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#define __NR_futex 202
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#define __NR_sched_setaffinity 203
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#define __NR_sched_getaffinity 204
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#define __NR_set_thread_area 205
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#define __NR_io_setup 206
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#define __NR_io_destroy 207
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#define __NR_io_getevents 208
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#define __NR_io_submit 209
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#define __NR_io_cancel 210
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#define __NR_get_thread_area 211
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#define __NR_lookup_dcookie 212
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#define __NR_epoll_create 213
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#define __NR_epoll_ctl_old 214
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#define __NR_epoll_wait_old 215
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#define __NR_remap_file_pages 216
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#define __NR_getdents64 217
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#define __NR_set_tid_address 218
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#define __NR_restart_syscall 219
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#define __NR_semtimedop 220
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#define __NR_fadvise64 221
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#define __NR_timer_create 222
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#define __NR_timer_settime 223
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#define __NR_timer_gettime 224
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#define __NR_timer_getoverrun 225
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#define __NR_timer_delete 226
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#define __NR_clock_settime 227
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#define __NR_clock_gettime 228
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#define __NR_clock_getres 229
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#define __NR_clock_nanosleep 230
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#define __NR_exit_group 231
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#define __NR_epoll_wait 232
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#define __NR_epoll_ctl 233
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#define __NR_tgkill 234
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#define __NR_utimes 235
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#define __NR_vserver 236
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#define __NR_mbind 237
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#define __NR_set_mempolicy 238
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#define __NR_get_mempolicy 239
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#define __NR_mq_open 240
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#define __NR_mq_unlink 241
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#define __NR_mq_timedsend 242
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#define __NR_mq_timedreceive 243
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#define __NR_mq_notify 244
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#define __NR_mq_getsetattr 245
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#define __NR_kexec_load 246
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#define __NR_waitid 247
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#define __NR_add_key 248
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#define __NR_request_key 249
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#define __NR_keyctl 250
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#define __NR_ioprio_set 251
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#define __NR_ioprio_get 252
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#define __NR_inotify_init 253
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#define __NR_inotify_add_watch 254
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#define __NR_inotify_rm_watch 255
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#define __NR_migrate_pages 256
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#define __NR_openat 257
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#define __NR_mkdirat 258
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#define __NR_mknodat 259
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#define __NR_fchownat 260
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#define __NR_futimesat 261
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#define __NR_newfstatat 262
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#define __NR_unlinkat 263
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#define __NR_renameat 264
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#define __NR_linkat 265
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#define __NR_symlinkat 266
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#define __NR_readlinkat 267
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#define __NR_fchmodat 268
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#define __NR_faccessat 269
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#define __NR_pselect6 270
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#define __NR_ppoll 271
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#define __NR_unshare 272
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#define __NR_set_robust_list 273
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#define __NR_get_robust_list 274
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#define __NR_splice 275
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#define __NR_tee 276
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#define __NR_sync_file_range 277
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#define __NR_vmsplice 278
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#define __NR_move_pages 279
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#define __NR_utimensat 280
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#define __NR_epoll_pwait 281
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#define __NR_signalfd 282
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#define __NR_timerfd_create 283
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#define __NR_eventfd 284
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#define __NR_fallocate 285
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#define __NR_timerfd_settime 286
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#define __NR_timerfd_gettime 287
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#define __NR_accept4 288
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#define __NR_signalfd4 289
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#define __NR_eventfd2 290
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#define __NR_epoll_create1 291
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#define __NR_dup3 292
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#define __NR_pipe2 293
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#define __NR_inotify_init1 294
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#define __NR_preadv 295
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#define __NR_pwritev 296
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#define __NR_rt_tgsigqueueinfo 297
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#define __NR_perf_event_open 298
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#define __NR_recvmmsg 299
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#define __NR_fanotify_init 300
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#define __NR_fanotify_mark 301
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#define __NR_prlimit64 302
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#undef __NR_fstatat
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#undef __NR_pread
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#undef __NR_pwrite
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#define __NR_fstatat __NR_newfstatat
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#define __NR_pread __NR_pread64
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#define __NR_pwrite __NR_pwrite64
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#undef O_LARGEFILE
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#define O_LARGEFILE 0100000
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#define socketcall(nm, a, b, c, d, e, f) syscall6(__NR_##nm, \
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(long)a, (long)b, (long)c, (long)d, (long)e, (long)f)
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/* the following are needed for iso c functions to use */
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#define __syscall_open(filename, flags, mode) syscall3(__NR_open, (long)(filename), (flags)|O_LARGEFILE, (mode))
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#define __syscall_read(fd, buf, len) syscall3(__NR_read, (fd), (long)(buf), (len))
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#define __syscall_write(fd, buf, len) syscall3(__NR_write, (fd), (long)(buf), (len))
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#define __syscall_close(fd) syscall1(__NR_close, (fd))
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#define __syscall_fcntl(fd, cmd, arg) syscall3(__NR_fcntl, (fd), (cmd), (long)(arg))
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#define __syscall_dup2(old, new) syscall2(__NR_dup2, (old), (new))
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#define __syscall_unlink(path) syscall1(__NR_unlink, (long)(path))
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#define __syscall_getpid() syscall0(__NR_getpid)
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#define __syscall_kill(pid,sig) syscall2(__NR_kill, (pid), (sig))
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#define __syscall_sigaction(sig,new,old) syscall4(__NR_rt_sigaction, (sig), (long)(new), (long)(old), SYSCALL_SIGSET_SIZE)
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#define __syscall_ioctl(fd,ioc,arg) syscall3(__NR_ioctl, (fd), (ioc), (long)(arg))
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#define __syscall_exit(code) syscall1(__NR_exit, code)
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#define __NEED_off_t
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#include <bits/alltypes.h>
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static inline off_t __syscall_lseek(int fd, off_t offset, int whence)
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{
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return syscall3(__NR_lseek, fd, offset, whence);
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}
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#endif
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